Hi Nirmoy, On Thu, Apr 11, 2024 at 04:18:41PM +0200, Nirmoy Das wrote: > Hi Andi, > > On 3/29/2024 5:39 PM, Andi Shyti wrote: > > To enable partial memory mapping of GPU virtual memory, it's > > necessary to introduce an offset to the object's memory > > (obj->mm.pages) scatterlist. This adjustment compensates for > > instances when userspace mappings do not start from the beginning > > of the object. > > I quickly tried https://gitlab.freedesktop.org/llandwerlin/igt-gpu-tools/-/tree/wip/gem_mmap_offset-partial-unmap?ref_type=heads > that didn't work for GTT. > > Please make sure a proper IGT test is available for this as this looks very > risky change. Yes, I have igt's ready and a new v3. Thanks for trying this out. Andi
